Chantraroj, C. (1977). The responsibilities of the department chairmen of two selected teachers colleges in Manila: A comparative study [microform]. Photoduplication Service. University of the Philippines Library.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Chantraroj, Chalermchai. The Responsibilities of the Department Chairmen of Two Selected Teachers Colleges in Manila: A Comparative Study [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Chantraroj, Chalermchai. The Responsibilities of the Department Chairmen of Two Selected Teachers Colleges in Manila: A Comparative Study [microform]. Photoduplication Service. University of the Philippines Library, 1977.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.